Ep 7. The Snow Queen

In the fourth season of Once Upon a Time, episode 7 is called "The Snow Queen." In this episode, viewers are introduced to the Snow Queen, also known as Elsa from Frozen. Elsa's story unfolds through a series of flashbacks as Emma Swan and Elsa try to figure out who she is and what happened to her. Meanwhile, the people of Storybrooke are dealing with a new threat as Elsa's ice powers continue to grow out of control.

As the episode opens, viewers see Elsa using her ice magic to make a beautiful snowflake. She is interrupted by a vision of her sister Anna and their childhood friend, Kristoff. Elsa becomes distraught and starts to wonder why she can't remember anything about her past. Emma and Elsa decide to work together to find out more about Elsa's history and how she ended up in Storybrooke.

As the two delve deeper into the mystery, they discover that Elsa was once imprisoned in a strange urn. They also meet a mysterious woman named Ingrid who claims to be Elsa's aunt. Ingrid offers her help to Elsa, but Emma is suspicious of her motives.

Back in Storybrooke, things are getting tense as Elsa's powers start to affect the weather. The townspeople become afraid that Elsa is intentionally causing the strange weather patterns and they begin to turn against her. Meanwhile, Regina tries to help Elsa control her powers, but her efforts are thwarted when the Snow Queen causes Regina to become trapped in a magical mirror.

As the episode progresses, viewers learn more about Elsa's past and how she was separated from her sister. They also discover that Ingrid has a dark secret and a plan to reunite her family. The episode ends with a cliffhanger as Regina tries to break free from the mirror and Emma and Elsa race to stop the Snow Queen's evil plan.

Overall, "The Snow Queen" is an exciting episode full of twists and turns. Viewers will be on the edge of their seats as they watch Elsa's story unfold and the townspeople of Storybrooke grapple with a new threat. The introduction of Elsa to the Once Upon a Time universe adds a new layer of depth to the show and gives viewers an opportunity to see a beloved character in a new light.